Finding the Third Proportional to 648,880.50 and 867,974.25

Step by Step Solution

1. Step 1: Write the proportion equation
   648,880.50 : 867,974.25 = 867,974.25 : x
2. Step 2: Convert to fraction form
   648,880.50/867,974.25 = 867,974.25/x
3. Step 3: Cross multiply
   648,880.50x = 867,974.25 × 867,974.25
4. Step 4: Simplify right side
   648,880.50x = 753,379,298,663.06
5. Step 5: Solve for x
   x = 753,379,298,663.06/648,880.50
6. Step 6: Final answer
   x = 1,161,044.75